Cytotoxic phenolics from the flowers of hippeastrum vittatum
Bulletin of Pharmaceutical Sciences-Assiut University. 2005; 28 (1): 143-148
in English
| IMEMR
| ID: emr-70233
ABSTRACT
Bioassay-guided fractionation and purification of the ethanolic extract of the fresh flowers of Hippeastrum vittatum [Amaryllidaceae] cultivated in Egypt yielded three compounds viz. caffeic acid [1], dihydrocaffeic acid methyl ester [2], together with the polyhydroxylated alkaloid pancratistatin [3]. The structures of the isolated compounds were determined on the basis of extensive 1D [1 H and 13 C] and 2D [COSY, HMQC, and HMBC] NMR studies, and mass spectral measurements. The cytotoxic activity of compounds 1-3 is presented and discussed
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Index:
IMEMR (Eastern Mediterranean)
Main subject:
Caffeine
/
Plant Extracts
/
Plant Structures
/
Cytotoxins
/
Flowers
/
Antineoplastic Agents
Language:
English
Journal:
Bull. Pharm. Sci.-Assiut Univ.
Year:
2005
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